US3079993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper-condenser unit
Assignee: Chilean Nitrate Corp
•
Filing: 1959-07-02
•
Granted: 1963-03-05
•
Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Roger G Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:37
CPC Classifications
B; B01; B01D; B01D7/00; B01D7/02; Y; Y10; Y10S; Y10S165/00; Y10S165/076; Y10S165/078; Y10S165/079
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1065382A
Cited
US1463216A
Cited
US2215968A
Cited
US2245077A
Cited
US2320933A
Cited
US2883162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |